XML 220 R176.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Note Guarantees (Indemnification, Representations and Warranties related to loans sold) - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Securitization | Guarantee on loans sold or serviced with representation and warranties |  |
Guarantor Obligations |  |
Repurchased Loans | $ 12.0 | $ 0.1

X
- Definition Unpaid principal amount of loans repurchased under credit recourse provisions or representations, warranty arrangements and GNMA buy-back options. + References No definition available. + Details
Name: | bpop_RepurchasedLoans
Namespace Prefix: | bpop_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_GuaranteeObligationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=bpop_SecuritizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_IndemnificationGuaranteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |